DescriptionThese massage ball are made of material, for durable and long-lasting use. It helps to promote blood circulation, up the metabolism and relieve your muscle's fatigue. The ergonomic design stick is suitable for your foot, hand, etc. It's a great gift for your family members.Features-Color: Random Color -Material: Stone Needle -Size: 4.60X4.60X4.60cm/1.81X1.81X1.81in - These massage ball aremade of stone needle, for durable and long-lasting use.- It's a great gift for the aged or fitness enthusiast.- Helping to promote blood circulation, refine the metabolism, and relieve fatigue of your muscle quickly, they could bring you a relaxing massage at your home.- Suitable for massage of hand and foot meridian.- The smooth roller ball design provides a quite effective massage.